Many lung cancers in nonsmokers have no known cause and are discovered only by chance.

Medical experts say that lung cancer is, in fact, the most common cause of fingernail clubbing. The nail deformity often occurs in people suffering from heart and lung diseases that reduce the ...

Five years after quitting, the risk of developing lung cancer in former heavy smokers dropped by 39 percent compared to current smokers. The risk continued to fall as time went on.

A lung cancer patient had no respiratory symptoms before his diagnosis — just an odd swelling in his fingertips. Brian Gemmell, a fitness instructor from Scotland, went to see his doctor after ...

Nail clubbing may seem like a harmless change in your fingertips, but it can signal serious underlying conditions affecting the lungs, heart, or gut. Though often painless, it is your body’s subtle ...

Man Says Strange Fingernail Clue Was His Only Sign of Lung Cancer — Now, He’s Urging Others to Look Out for It Too "Go and see your doctor if you've got anything that you're concerned about ...

Doctors advise a simple fingernail test that may help detect lung cancer early. To perform the test, press your index fingers together and look for a small, diamond-shaped gap of light between them.